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Do non-elite older runners slow down more than younger runners in a 100 km ultra-marathon? https://t.co/ihYMYu46LL https://t.co/NgXEtn5oN4
Do non-elite older runners slow down more than younger runners in a 100 km ultra-marathon? https://t.co/ihYMYu46LL https://t.co/NgXEtn5oN4
Do non-elite older runners slow down more than younger runners in a 100 km ultra-marathon? http://t.co/riCIuPqVXC http://t.co/NBKhWjniBk
Do non-elite older runners slow down more than younger runners in a 100 km ultra-marathon? http://t.co/x5vN60Pz6r
Older athletes are faster than younger ones in ultramarathons http://t.co/0QPlfvnko9